1 //===-- ClangASTMetadata.h --------------------------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef liblldb_ClangASTMetadata_h 10 #define liblldb_ClangASTMetadata_h 11 12 #include "lldb/Core/dwarf.h" 13 #include "lldb/lldb-defines.h" 14 #include "lldb/lldb-enumerations.h" 15 16 namespace lldb_private { 17 18 class ClangASTMetadata { 19 public: ClangASTMetadata()20 ClangASTMetadata() 21 : m_user_id(0), m_union_is_user_id(false), m_union_is_isa_ptr(false), 22 m_has_object_ptr(false), m_is_self(false), m_is_dynamic_cxx(true) {} 23 GetIsDynamicCXXType()24 bool GetIsDynamicCXXType() const { return m_is_dynamic_cxx; } 25 SetIsDynamicCXXType(bool b)26 void SetIsDynamicCXXType(bool b) { m_is_dynamic_cxx = b; } 27 SetUserID(lldb::user_id_t user_id)28 void SetUserID(lldb::user_id_t user_id) { 29 m_user_id = user_id; 30 m_union_is_user_id = true; 31 m_union_is_isa_ptr = false; 32 } 33 GetUserID()34 lldb::user_id_t GetUserID() const { 35 if (m_union_is_user_id) 36 return m_user_id; 37 else 38 return LLDB_INVALID_UID; 39 } 40 SetISAPtr(uint64_t isa_ptr)41 void SetISAPtr(uint64_t isa_ptr) { 42 m_isa_ptr = isa_ptr; 43 m_union_is_user_id = false; 44 m_union_is_isa_ptr = true; 45 } 46 GetISAPtr()47 uint64_t GetISAPtr() const { 48 if (m_union_is_isa_ptr) 49 return m_isa_ptr; 50 else 51 return 0; 52 } 53 SetObjectPtrName(const char * name)54 void SetObjectPtrName(const char *name) { 55 m_has_object_ptr = true; 56 if (strcmp(name, "self") == 0) 57 m_is_self = true; 58 else if (strcmp(name, "this") == 0) 59 m_is_self = false; 60 else 61 m_has_object_ptr = false; 62 } 63 GetObjectPtrLanguage()64 lldb::LanguageType GetObjectPtrLanguage() const { 65 if (m_has_object_ptr) { 66 if (m_is_self) 67 return lldb::eLanguageTypeObjC; 68 else 69 return lldb::eLanguageTypeC_plus_plus; 70 } 71 return lldb::eLanguageTypeUnknown; 72 } 73 GetObjectPtrName()74 const char *GetObjectPtrName() const { 75 if (m_has_object_ptr) { 76 if (m_is_self) 77 return "self"; 78 else 79 return "this"; 80 } else 81 return nullptr; 82 } 83 HasObjectPtr()84 bool HasObjectPtr() const { return m_has_object_ptr; } 85 86 void Dump(Stream *s); 87 88 private: 89 union { 90 lldb::user_id_t m_user_id; 91 uint64_t m_isa_ptr; 92 }; 93 94 bool m_union_is_user_id : 1, m_union_is_isa_ptr : 1, m_has_object_ptr : 1, 95 m_is_self : 1, m_is_dynamic_cxx : 1; 96 }; 97 98 } // namespace lldb_private 99 100 #endif // liblldb_ClangASTMetadata_h 101